Courtesy of Ruben Gallego However ... When officials suggested he take a leave, Gallego joined the United States Marine Corps Reserve before returning to Harvard and graduating in 2004.

Rep. Ruben Gallego, a retired U.S. Marine and longtime U.S. representative in the House, is the front-runner to win Arizona's U.S. Senate seat and become the state's first Latino senator.

elect Ruben ... he said. Gallego said his arrival in the Senate “will be for so much more than me.” He said it is a triumph for his immigrant mother and siblings, his Marine brothers who ...